1. TABLA DE EQUIVALENCIAS
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Equivalentes Decimales
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PULGADAS PULGADAS PULGADAS PULGADAS PULGADAS PULGADAS PULGADAS
MEDIDA MEDIDA MEDIDA MEDIDA MEDIDA MEDIDA MEDIDA
DECIMAL DECIMAL DECIMAL DECIMAL DECIMAL DECIMAL DECIMAL
#80 .0135 #55 .0520 #36 .1065 #15 .1800 6.5mm .2559 S .3480 39/64" .6094
.35mm .0138 1.35mm .0531 2.75mm .1083 4.6mm .1811 F .2570 8.9mm .3504 15.5mm .6102
#79 .0145 #54 .0550 7/64" .1094 #14 .1820 6.6mm .2598 9mm .3543 5/8" .6250
1/64" .0156 1.4mm .0551 #35 .1100 #13 .1850 G .2610 T .3580 16mm .6299
.4mm .0157 1.45mm .0571 2.8mm .1102 4.7mm .1850 6.7mm .2638 9.1mm .3583 41/64" .6406
#78 .0160 1.5mm .0591 #34 .1110 4.75mm .1870 17/64" .2656 23/64" .3594 16.5mm .6496
.45mm .0177 #53 .0595 #33 .1130 3/16" .1875 6.75mm .2657 9.2mm .3622 21/32" .6562
#77 .0180 1.55mm .0610 2.9mm .1142 4.8mm .1890 H .2660 9.25mm .3642 17mm .6693
.5mm .0197 1/16" .0625 #32 .1160 #12 .1890 6.8mm .2677 9.3mm .3661 43/64" .6719
#76 .0200 1.6mm .0630 3mm .1181 #11 .1910 6.9mm .2717 U .3680 11/16" .6875
#75 .0210 #52 .0635 #31 .1200 4.9mm .1929 I .2720 9.4mm .3701 17.5mm .6890
.55mm .0217 1.65mm .0650 3.1mm .1220 #10 .1935 7mm .2756 9.5mm .3740 45/64" .7031
#74 .0225 1.7mm .0669 1/8" .1250 #9 .1960 J .2770 3/8" .3750 18mm .7087
.6mm .0236 #51 .0670 3.2mm .1260 5mm .1969 7.1mm .2795 V .3770 23/32" .7188
#73 .0240 1.75mm .0689 3.25mm .1280 #8 .1990 K .2810 9.6mm .3780 18.5mm .7283
#72 .0250 #50 .0700 #30 .1285 5.1mm .2008 9/32" .2812 9.7mm .3819 47/64" .7344
.65mm .0256 1.8mm .0709 3.3mm .1299 #7 .2010 7.2mm .2835 9.75mm .3839 19mm .7480
#71 .0260 1.85mm .0728 3.4mm .1339 13/64" .2031 7.25mm .2854 9.8mm .3858 3/4" .7500
.7mm .0276 #49 .0730 #29 .1360 #6 .2040 7.3mm .2874 W .3860 49/64" .7656
#70 .0280 1.9mm .0748 3.5mm .1378 5.2mm .2047 L .2900 9.9mm .3898 19.5mm .7677
#69 .0292 #48 .0760 #28 .1405 #5 .2055 7.4mm .2913 25/64" .3906 25/32" .7812
.75mm .0295 1.95mm .0768 9/64" .1406 5.25mm .2067 M .2950 10mm .3937 20mm .7874
#68 .0310 5/64" .0781 3.6mm .1417 5.3mm .2087 7.5mm .2953 X .3970 51/64" .7969
1/32" .0312 #47 .0785 #27 .1440 #4 .2090 19/64" .2969 Y .4040 20.5mm .8071
.8mm .0315 2mm .0787 3.7mm .1457 5.4mm .2126 7.6mm .2992 13/32" .4062 13/16" .8125
#67 .0320 2.05mm .0807 #26 .1470 #3 .2130 N .3020 Z .4130 21mm .8268
#66 .0330 #46 .0810 3.75mm .1476 5.5mm .2165 7.7mm .3031 10.5mm .4134 53/64" .8281
.85mm .0335 #45 .0820 #25 .1495 7/32" .2188 7.75mm .3051 27/64" .4219 27/32" .8438
#65 .0350 2.1mm .0827 3.8mm .1496 5.6mm .2205 7.8mm .3071 11mm .4331 21.5mm .8465
.9mm .0354 2.15mm .0846 #24 .1520 #2 .2210 7.9mm .3110 7/16" .4375 55/64" .8594
#64 .0360 #44 .0860 3.9mm .1535 5.7mm .2244 5/16" .3125 11.5mm .4528 22mm .8661
#63 .0370 2.2mm .0866 #23 .1540 5.75mm .2264 8mm .3150 29/64" .4531 7/8" .8750
.95mm .0374 2.25mm .0886 5/32" .1562 #1 .2280 O .3160 15/32" .4688 22.5mm .8858
#62 .0380 #43 .0890 #22 .1570 5.8mm .2283 8.1mm .3189 12mm .4724 57/64" .8906
#61 .0390 2.3mm .0906 4mm .1575 5.9mm .2323 8.2mm .3228 31/64" .4844 23mm .9055
1mm .0394 2.35mm .0925 #21 .1590 A .2340 P .3230 12.5mm .4921 29/32" .9062
#60 .0400 #42 .0935 #20 .1610 15/64" .2344 8.25mm .3248 1/2" .5000 59/64" .9219
#59 .0410 3/32" .0938 4.1mm .1614 6mm .2362 8.3mm .3268 13mm .5118 23.5mm .9252
1.05mm .0413 2.4mm .0945 4.2mm .1654 B .2380 21/64" .3281 33/64" .5156 15/16" .9375
#58 .0420 #41 .0960 #19 .1660 6.1mm .2402 8.4mm .3307 17/32" .5312 24mm .9449
#57 .0430 2.45mm .0965 4.25mm .1673 C .2420 Q .3320 13.5mm .5315 61/64" .9531
1.1mm .0433 #40 .0980 4.3mm .1693 6.2mm .2441 8.5mm .3346 35/64" .5469 24.5mm .9646
1.15mm .0453 2.5mm .0984 #18 .1695 D .2460 8.6mm .3386 14mm .5512 31/32" .9688
#56 .0465 #39 .0995 11/64" .1719 6.25mm .2461 R .3390 9/16" .5625 25mm .9843
3/64" .0469 #38 .1015 #17 .1730 6.3mm .2480 8.7mm .3425 14.5mm .5709 63/64" .9844
1.2mm .0472 2.6mm .1024 4.4mm .1732 E .2500 11/32" .3438 37/64" .5781 1" 1.0000
1.25mm .0492 #37 .1040 #16 .1770 1/4" .2500 8.75mm .3445 15mm .5906
1.3mm .0512 2.7mm .1063 4.5mm .1772 6.4mm .2520 8.8mm .3465 19/32" .5938
Medidas de Brocas para Machuelos Machuelos para Tubos
(75% de Cuerda Completa)
MEDIDA MEDIDA MEDIDA MEDIDA MEDIDA MEDIDA MEDIDA BROCA
MEDIDA NPT Y NPTF EQUIVALENTE MEDIDA BROCA EQUIVALENTE
MACHUELO BROCA MACHUELO BROCA MACHUELO BROCA MACHUELO DECIMAL npS (RECTO) DECIMAL
(CONICOS)
0-80 3/64 10-32 21 5/8-18 37/64
M1.6x.35 1.25mm M5x.8 4.2mm M16x2 14mm 1/8 - 27 R .3390 S .3480
1-64 53 12-24 16 3/4-10 21/32 1/4 - 18 7/16 .4375 29/64 .4531
M2x.4 1.6mm 12-28 14 3/4-16 11/16 3/8 - 18 37/64 .5781 19/32 .5938
1-72 53 M6x1 5mm M20x2.5 17mm 1/2 - 14 23/32 .7188 47/64 .7344
2-56 51 1/4-20 7 7/8-9 49/64 3/4 - 14 59/64 .9219 15/16 .9375
2-64 50 1/4-28 3 7/8-14 13/16 1-5/32 1.1562
1 - 11-1/2 1-3/16 1.1875
M2.5x.45 2.05mm 5/16-18 F M24x3 21mm
1-1/4 - 11-1/2 1-1/2 1.5000 1-33/64 1.5156
3-48 47 5/16-24 I 1-8 7/8
3-56 45 M8x1.25 6.7mm 1-12 29/32 1-1/2 - 1-1/2 1-47/64 1.7344 1-3/4 1.7500
4-40 43 3/8-16 5/16 1-14 15/16 2 - 11-1/2 2-7/32 2.2188 2-7/32 2.2188
4-48 42 3/8-24 Q 1-1/8 - 7 63/64 2-1/2 - 8 2-5/8 2.6250 2-21/32 2.6562
M3x.5 2.5mm M10x1.5 8.5mm 1-1/8 - 12 1-3/64 3-8 3-1/4 3.2500 3-9/32 3.2812
5-40 38 7/16-14 U M30x3.5 26.5mm* 3-1/2 - 8 3-3/4 3.7500 3-25/32 3.7812
5-44 37 7/16-20 25/64 1-1/4 - 7 1-7/64* 4-8 4-1/4 4.1250 4-9/32 4.2812
M3.5x.6 2.9mm M12x1.75 10mm 1-1/4 - 12 1-11/64*
6-32 36 1/2-13 27/64 1-3/8 -6 1-3/16*
6-40 33 1/2-20 29/64 1-3/8 - 12 1-9/32*
M4x.7 3.3mm M14x2 12mm M36x4 1-1/4*
8-32 29 9/16-12 31/64 1-1/2 - 6 1-11/32*
8-36 29 9/16-18 33/64 1-1/2 - 12 1-27/64*
10-24 25 5/8-11 17/32
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